FI875160A0 - RESONATOR CONSTRUCTION AND RESOURCES FOR ADJUSTING RESOURCES. - Google Patents

RESONATOR CONSTRUCTION AND RESOURCES FOR ADJUSTING RESOURCES.

Info

Publication number: FI875160A0
Authority: FI; Finland
Prior art keywords: resources; adjusting; resonator construction; resonator; construction
Prior art date: 1987-11-23

Application number

FI875160A

Other languages

Finnish (fi)

Other versions

FI78580C (en

FI78580B (en

Inventor

Lauri Kuokkanen

Original Assignee

Solitra Oy

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-11-23

Filing date

1987-11-23

Publication date

1987-11-23

1987-11-23 Application filed by Solitra Oy filed Critical Solitra Oy

1987-11-23 Priority to FI875160A priority Critical patent/FI78580C/en

1987-11-23 Publication of FI875160A0 publication Critical patent/FI875160A0/en

1988-11-22 Priority to SE8804216A priority patent/SE8804216L/en

1988-11-22 Priority to US07/275,350 priority patent/US4912437A/en

1988-11-23 Priority to GB8827313A priority patent/GB2212671B/en

1989-04-28 Application granted granted Critical

1989-04-28 Publication of FI78580B publication Critical patent/FI78580B/en

1989-08-10 Publication of FI78580C publication Critical patent/FI78580C/en

1990-02-07 Priority to US07/477,254 priority patent/US5028896A/en

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/08—Strip line resonators
- H01P7/084—Triplate line resonators

FI875160A 1987-11-23 1987-11-23 Micro-band circuit and the method of controlling its properties FI78580C (en)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
FI875160A FI78580C (en)	1987-11-23	1987-11-23	Micro-band circuit and the method of controlling its properties
SE8804216A SE8804216L (en)	1987-11-23	1988-11-22	MICROBAND CIRCUIT AND PROCEDURES FOR REGULATING ITS PROPERTIES
US07/275,350 US4912437A (en)	1987-11-23	1988-11-22	Stripline circuit and method for regulating the characteristics thereof
GB8827313A GB2212671B (en)	1987-11-23	1988-11-23	Stripline circuit and method for regulating the characteristics thereof
US07/477,254 US5028896A (en)	1987-11-23	1990-02-07	Stripline circuit

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI875160		1987-11-23
FI875160A FI78580C (en)	1987-11-23	1987-11-23	Micro-band circuit and the method of controlling its properties

Publications (3)

Publication Number	Publication Date
FI875160A0 true FI875160A0 (en)	1987-11-23
FI78580B FI78580B (en)	1989-04-28
FI78580C FI78580C (en)	1989-08-10

Family

ID=8525455

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI875160A FI78580C (en)	1987-11-23	1987-11-23	Micro-band circuit and the method of controlling its properties

Country Status (4)

Country	Link
US (1)	US4912437A (en)
FI (1)	FI78580C (en)
GB (1)	GB2212671B (en)
SE (1)	SE8804216L (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5028896A (en) *	1987-11-23	1991-07-02	Solitra Oy	Stripline circuit
US5103197A (en) *	1989-06-09	1992-04-07	Lk-Products Oy	Ceramic band-pass filter
FI87852C (en) *	1991-04-12	1993-02-25	Lk Products Oy	Tunable ceramic filter and method for its tuning
DE4226155A1 (en) *	1992-08-07	1994-02-10	Daimler Benz Ag	Interdigital capacitor and method for its production
US5343094A (en) *	1993-01-13	1994-08-30	National Semiconductor Corporation	Low noise logic amplifier with nondifferential to differential conversion
US5666093A (en) *	1995-08-11	1997-09-09	D'ostilio; James Phillip	Mechanically tunable ceramic bandpass filter having moveable tabs
US6072992A (en) *	1995-12-25	2000-06-06	Matsushita Electric Industrial Co., Ltd.	High-frequency device
JP3440909B2 (en) *	1999-02-23	2003-08-25	株式会社村田製作所	Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, dielectric duplexer, and communication device
JP6023758B2 (en) *	2014-06-30	2016-11-09	日本電産コパル株式会社	Tunable filter
JP6023757B2 (en) *	2014-06-30	2016-11-09	日本電産コパル株式会社	Tunable filter
CN106980097B (en) *	2017-05-19	2023-10-10	深圳市特深电气有限公司	Birdcage coil for magnetic resonance imaging system and tuning method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3925740A (en) *	1974-07-19	1975-12-09	Itt	Tuning structures for microstrip transmission lines
US4281302A (en) *	1979-12-27	1981-07-28	Communications Satellite Corporation	Quasi-elliptic function microstrip interdigital filter
FR2504325B1 (en) *	1981-04-21	1986-08-29	Thomson Brandt	MICROWAVE OSCILLATOR STABILIZED BY A DIELECTRIC RESONATOR AND METHOD FOR ADJUSTING ITS FREQUENCY
JPS60180202A (en) *	1984-02-27	1985-09-14	Sony Corp	Strip line circuit
JPS62209901A (en) *	1986-03-11	1987-09-16	Murata Mfg Co Ltd	Frequency variable mechanism for microwave oscillator

1987
- 1987-11-23 FI FI875160A patent/FI78580C/en not_active IP Right Cessation
1988
- 1988-11-22 US US07/275,350 patent/US4912437A/en not_active Expired - Fee Related
- 1988-11-22 SE SE8804216A patent/SE8804216L/en not_active Application Discontinuation
- 1988-11-23 GB GB8827313A patent/GB2212671B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB2212671A (en)	1989-07-26
SE8804216D0 (en)	1988-11-22
FI78580C (en)	1989-08-10
GB8827313D0 (en)	1988-12-29
GB2212671B (en)	1992-01-02
SE8804216L (en)	1989-05-24
US4912437A (en)	1990-03-27
FI78580B (en)	1989-04-28

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Legal Events

Date	Code	Title	Description
1994-09-27	PC	Transfer of assignment of patent	Owner name: ULTRACOM OY
1996-06-24	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: ULTRACOM OY